:
1)     one-hot-encoding, probability encoding.
2) ,     : one-hot-encoding, probability encoding   ? 
:   ,        ,       (  accuracy)  -     .

  2)  ,   :   ,     ?

      .
       (n_neighbors),    (weights=uniform  distance)   p.
     impurity function (criterion)        (min_samples_leaf).
      C    (penalty)

    (  )     .

3)       mushroom-train.csv,      mushroom-test.csv 

4)  2 :
- ipynb      ,      .
-  predictions.txt,  3250  (    mushroom-test.csv),            mushroom-test.csv. ,   p (poisonous),  e (eligible).